Dossa

Dimitri

As CTO, I led the technical development of Web3 and blockchain-based platforms, from architecture design to deployment. My responsibilities included: • Designing and implementing smart contracts (Solidity) • Building full-stack dApps (React / Next.js / Node.js) • Integrating blockchain wallets (MetaMask, WalletConnect) and handling transaction flows • Designing scalable backend architectures and APIs • Managing technical decisions and product architecture • Ensuring security best practices (smart contracts and application layer) • Leading development from concept to working prototype I have hands-on experience delivering production-ready features and solving real-world technical challenges in Web3 environments.

Blockchain Integrator AYILand Responsible for integrating blockchain technologies into a real-world land asset infrastructure platform. Key contributions include: • Designing and integrating smart contracts (Solidity) for land tokenization and validation • Implementing Web3 frontend interactions using ethers.js and wallet integrations (MetaMask, WalletConnect) • Managing secure transaction flows (minting, transfers, validation processes) • Connecting off-chain systems with blockchain (APIs, backend services) • Ensuring data integrity, security, and consistency across the platform • Participating in the architecture of a hybrid system combining blockchain and traditional infrastructure Worked on a functional prototype deployed in a testnet environment, simulating real-world usage scenarios.

Developed and maintained modern web applications using JavaScript frameworks and backend technologies. Key experience includes: • Building responsive web applications with React / Next.js • Developing backend APIs using Node.js • Working with databases (PostgreSQL, MongoDB) • Implementing authentication systems and user flows • Designing scalable and maintainable application architectures • Integrating third-party services and APIs